export interface region {
  left: number;
  top: number;
  right: number;
  bottom: number;
}
export declare class ViewFinder {
  width: number;
  height: number;
  left?: number;
  top?: number;
  right?: number;
  bottom?: number;
  regions?: region[];
  preserveAspectRatio?: string;
  renderRectsInMask(): any;
  renderRects(): any;
  renderLines(): any;
  render(): any;
}